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Specification jorminyport of Letters Patent No. 34,725, dated March 18, 1862.

To all where it may concern:

Be it known that we, it. Gonna Douurros and BERN ii. BUDD, oi the city, county, and State'ot New York, have invented certain liniprovernents in the Manufacture of Ball- 0ertridges; and we do hereby declare that the following is a full, clear, and exact description of the same.

Uur invention consists in an improvement in the manufacture of cartridges, in which the hall and powder are combined without'the aid of paper or covering of any hind. We

have discovered that ordinary gunpowdernnay he compacted in suitable nioldshy pressure, so'that said powder can he made to assume any required form, as cylinders cuhes,

8th., without destruction to its combustible and explosive qualities, andfor which invention and improvements we have made separate application for patents.

We inaheour ammunition as follows The charge of powder is prepared as described in said application; A bullet is first dropped into the mold. We take either the usual Minis hall having a concave or hollow at its back, or else one oi another kind especially prepared, which is a eonicalball with a small fin or tail projecting from the hackv The hall is inserted into the mold point downward. Upon this is placed the powder. and then the piston is brought down by the press and the powder compacted into form and forced partly into the concavity oi the hall, if it be of the Minis hind; or else incloses the tin, if it he of the other form. The whole is then to be discharged from. the mold, when the powder and ball will he found to he firmly united. The ball is then to be patched, and is ready .i or use as in ordinary cartridges.

It will be obvious that for themanufaeture of cartridges having a charge of powder of varying densities or degrees of comloustihility so as to impart to them the principle of acceleration as understood in gunnery, the charge is or. may be united with the ball by several successive operations; 1''. e., the powder is compacted, each layer separately, with a pressure varying according to the degree of con'ihustihility intended to be produced. Among the importan tleaturesof this ammunitiouheside possessing the qualities named in our other application as due to powder in the solidified foriu'--are readiness of use, while in consequence of the absence of paper covermg men need no longer be condemned for infantry who have lost their'side teeth.

We claim- 4 The herein-described method of forming cartridges by uniting the hall directly with the" compacted granulatedpowder, as set forth.

In witness whereof we have hereuhto set our hands and seals.v

0. A Donnnhos. 

